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. 2014 Oct 24;9(1):47–54. doi: 10.3892/ol.2014.2639

Figure 4.

Figure 4

EPICS® XL™ flow cytometry revealed that the expression of CK8 and CK18 in CD133+ cells increased from 6.07±0.32 to 89.36±9.08% (P<0.01) and 2.71±0.18 to 98.64±10.13% (P<0.01), respectively, following the cell adherence and tumor sphere differentiation in the culture system supplemented with 10% fetal bovine serum. Similarly, the CK8 and CK18 expression of primary lung cancer cells was 98.18±12.59 and 97.32±11.22%, respectively. Each experiment was repeated three times. CD, cluster of differentiation; CK, cytokeratin.